US2608705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf ball cleaner
Assignee: Individual
•
Filing: 1946-08-03
•
Granted: 1952-09-02
•
Expires: 1966-08-03
Abstract
No abstract record available.
Inventors
- 👤 John R Duff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:26
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US138662A
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US305305A
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US395905A
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US489697A
Cited
GB189708283A
Cited
US792278A
Cited
US823298A
Cited
US1500681A
Cited
US1614914A
Cited
US1710816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |